memset(m_cSendBuff,0,sizeof(m_cSendBuff));  

        Char2Base64(m_cSendBuff,m_sMailInfo.getUserPassword(),strlen(m_sMailInfo.getUserPassword()));  

        m_cSendBuff[strlen(m_cSendBuff)]='\r';  

        m_cSendBuff[strlen(m_cSendBuff)]='\n';  

        send(sock,m_cSendBuff,strlen(m_cSendBuff),0);//发送用户密码  

        recv(sock,m_cReceiveBuff,1024,0);  

        if(m_cReceiveBuff[0]!='2' || m_cReceiveBuff[1]!='3' || m_cReceiveBuff[2]!='5')  

        {  

            return false;  

        }